TitleGarrison

“No bird ever flew nonstop from New York to Tokyo, or raced 15 miles high at triple the speed of sound.                                                                                                   
  But birds do something else.
  They do not conquer the air; they romance it..”

  Peter Garrison

HoursAndCounting

Jur's RV7 Aircraft Factory
2917 hours and counting
Some decisions in life are bare of any obvious logic

 

09/08/2016 Countersinking cntd... - 2h

Details
Parent Category: Fuselage
Category: 9. Forward and Center fuselage
Hits: 1059

Continuing the countersinking work on prepping the forward fuselage parts.

Found out that my countersinks were not deep enough so needed to review the 4 floor stiffeners I did before. You must not be able to put a 0.002" feeler gauge between the skin and countersunk piece. I don't have such gauge at hand but looking at a light source with my test 0.032" dimpled plate clearly showed still some gap between the parts. Countersinking really is not my favorite work on the airplane.

Also countersunk the F713 auxiliary longerons and F717 lower longerons.

Had some doubts on the forward 5 rivets but then realized that these lay on top of the engine mounts so they also must be countersunk. Did that after the picture was taken.

The five read holes on the F717 lower longeron will be drilled later, you can see on DWG34 that these will go in in combination with the F7114 fuselage gusset and will be bolted with AN3 bolts.

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Some advice on reading my log for fellow builders !

In some articles, I made corrections at later date on the original article to rectify my own stupidities or faults. Read through the entire article if you intend to use my findings/experiences on your own project !

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It’s possible (not likely) that I’m not as smart as I think I am. (Occasionally, I have moments when I know this to be true. Fortunately, the feeling passes quickly.) Although I have tried to make this information as accurate as I can, it is not only possible, but also quite likely, that erroneous and misguided information lurks within these pages. I cannot and do not warrant these pages to be error free and correct. Furthermore, I accept no liability for the use of this (mis)information. And, as many would say, your mileage may vary. If, after reading this, you are intent on proceeding, please be aware that the contents of this site are protected by copyright (copyright © 2011 and 2012). Nonetheless, you may copy this material subject to these two conditions: (1) any information used is for non-commercial purposes, and (2) the source of the material is properly credited. Of course, you may link to any page herein. At some articles, snippets of the plans from Vans are visible. These are for educational and illustrations purposes only and should never be used as plans for part construction or assembly as plans may have changed since the picture was taken and more important they are protected by Copyright by the Vans Aircraft Mothership company.

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